GTUTransceiver.java
package org.opentrafficsim.sim0mq.publisher;
import java.rmi.RemoteException;
import org.djunits.unit.DirectionUnit;
import org.djunits.unit.PositionUnit;
import org.djunits.value.vdouble.scalar.Direction;
import org.djutils.metadata.MetaData;
import org.djutils.metadata.ObjectDescriptor;
import org.djutils.serialization.SerializationException;
import org.opentrafficsim.core.geometry.OTSPoint3D;
import org.opentrafficsim.core.gtu.GTU;
import org.opentrafficsim.core.network.OTSNetwork;
import org.sim0mq.Sim0MQException;
import nl.tudelft.simulation.language.d3.DirectedPoint;
/**
* Transceiver for GTU data.
* <p>
* Copyright (c) 2020-2020 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
* BSD-style license. See <a href="http://opentrafficsim.org/docs/current/license.html">OpenTrafficSim License</a>.
* </p>
* @author <a href="http://www.tbm.tudelft.nl/averbraeck">Alexander Verbraeck</a>
* @author <a href="http://www.tudelft.nl/pknoppers">Peter Knoppers</a>
* @author <a href="http://www.transport.citg.tudelft.nl">Wouter Schakel</a>
*/
public class GTUTransceiver extends AbstractEventTransceiver
{
/** The network. */
private final OTSNetwork network;
/** Transceiver for the GTU ids. */
private final TransceiverInterface gtuIdSource;
/**
* Construct a GTUTransceiver.
* @param network Network; the Network
* @param gtuIdSource GTUIdTransceiver; the transceiver that can produce all active GTU ids in the Network
*/
public GTUTransceiver(final OTSNetwork network, final GTUIdTransceiver gtuIdSource)
{
super("GTU transceiver", new MetaData("GTU id", "GTU id",
new ObjectDescriptor[] { new ObjectDescriptor("GTU id", "GTU id", String.class) }), GTU.MOVE_EVENT);
this.network = network;
this.gtuIdSource = gtuIdSource;
}
/** {@inheritDoc} */
@Override
public final TransceiverInterface getIdSource(final int addressLevel, final ReturnWrapper returnWrapper)
throws Sim0MQException, SerializationException
{
if (addressLevel != 0)
{
returnWrapper.encodeReplyAndTransmit("Only empty address is valid");
throw new IndexOutOfBoundsException("Only empty address is valid");
}
return this.gtuIdSource;
}
/** {@inheritDoc} */
@Override
public boolean hasIdSource()
{
return true;
}
/** {@inheritDoc} */
@Override
public final Object[] get(final Object[] address, final ReturnWrapper returnWrapper)
throws RemoteException, Sim0MQException, SerializationException
{
String bad = verifyMetaData(getAddressFields(), address);
if (bad != null)
{
returnWrapper.nack(bad);
return null;
}
GTU gtu = this.network.getGTU((String) address[0]);
if (null == gtu)
{
returnWrapper.nack("No GTU found with id \"" + address[0] + "\"");
return null;
}
DirectedPoint gtuPosition = gtu.getLocation();
return new Object[] { gtu.getId(), gtu.getGTUType().getId(),
new OTSPoint3D(gtuPosition).doubleVector(PositionUnit.METER),
new Direction(gtuPosition.getRotZ(), DirectionUnit.EAST_DEGREE), gtu.getSpeed(), gtu.getAcceleration() };
}
/** {@inheritDoc} */
@Override
public String toString()
{
return "GTUTransceiver [network=" + this.network.getId() + ", super=" + super.toString() + "]";
}
}